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OP291GP Scheda tecnica(PDF) 4 Page - Analog Devices |
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OP291GP Scheda tecnica(HTML) 4 Page - Analog Devices |
4 / 20 page OP191/OP291/OP491 –4– ELECTRICAL SPECIFICATIONS (@ VO= ±5.0 V, –4.9 V ≤ VCM ≤ +4.9 V, TA= +25°C unless otherwise noted) Parameter Symbol Conditions Min Typ Max Units INPUT CHARACTERISTICS Offset Voltage OP191 VOS 80 500 µV –40 ≤ T A ≤ +125°C1 mV OP291/OP491 VOS 80 700 µV –40 ≤ T A ≤ +125°C 1.25 mV Input Bias Current IB 30 50 nA –40 ≤ T A ≤ +125°C70 nA Input Offset Current IOS 0.1 8 nA –40 ≤ T A ≤ +125°C16 nA Input Voltage Range –5 +5 V Common-Mode Rejection CMR VCM = ±5 V 75 100 dB –40 ≤ T A ≤ +125°C67 97 dB Large Signal Voltage Gain AVO RL = 10 k Ω, V O = ±4.7 V, 25 70 –40 ≤ T A ≤ +125°C 50 V/mV Offset Voltage Drift ∆V OS/∆T 1.1 µV/°C Bias Current Drift ∆I B/ ∆T 100 pA/ °C Offset Current Drift ∆I OS/ ∆T 20 pA/ °C OUTPUT CHARACTERISTICS Output Voltage Swing VO RL = 100 k Ω to GND ±4.93 ±4.99 V –40 °C to +125°C ±4.90 ±4.98 V RL = 2 k Ω to GND ±4.80 ±4.95 V –40 ≤ T A ≤ +125°C ±4.65 ±4.75 V Short Circuit Limit ISC Sink/Source ±8.75 ±16 mA –40 °C to +125°C ±6 ±13 mA Open Loop Impedance ZOUT f = 1 MHz, AV = 1 200 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VS = ± 5 V 80 110 dB –40 ≤ T A ≤ +125°C 70 100 dB Supply Current/Amplifier ISY VO = 0 V 260 420 µA –40 ≤ T A ≤ +125°C 390 550 µA DYNAMIC PERFORMANCE Slew Rate ±SR RL =10 kΩ 0.5 V/ µs Full-Power Bandwidth BWP 1% Distortion 1.2 kHz Settling Time tS To 0.01% 22 µs Gain Bandwidth Product GBP 3 MHz Phase Margin θ O 45 Degrees Channel Separation CS f = 1 kHz 145 dB NOISE PERFORMANCE Voltage Noise en p-p 0.1 Hz to 10 Hz 2 µV p-p Voltage Noise Density en f = 1 kHz 35 nV/ √Hz Current Noise Density in 0.8 pA/ √Hz Specifications subject to change without notice. REV. 0 10 100 0% 90 5V VS = ±5V RL = 2kΩ AV = +1 VIN = 20Vp-p 200µs 5V INPUT OUTPUT Figure 1. Input and Output with Inputs Overdriven by 5 V |
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